"""
just a demo
"""

for count in range(1, 5):
    print(f"正在扫描中{count*'.'}")

print("火花状态：未点燃")

print("现在时间：2025.2.17 22：00")
print("已执行操作：“hello！”")

for count in range(1, 4):
    print(f"状态检测中{count*'.'}")

print("火花状态：已点燃")
